Arid
DOI10.1016/j.chemgeo.2012.03.011
The influence of near-surface winds on the Sr isotope composition of aeolian sediments: a wind tunnel experiment
Wang, Xunming1,2; Lang, Lili1; Zhang, Caixia1; Hua, Ting1; Wang, Hongtao1
通讯作者Wang, Xunming
来源期刊CHEMICAL GEOLOGY
ISSN0009-2541
EISSN1872-6836
出版年2012
卷号308页码:10-17
英文摘要

We used wind tunnel experiments to simulate the effect of near-surface wind velocity on the silicate strontium (Sr) isotopic compositions of the fractions <10 mu m in windblown dust using intact surface samples obtained from a potential dust source area in arid northern China. Our results showed that the Sr-87/Sr-86 ratios of the silicate fractions in the windblown dust varied with near-surface wind speed and with the total amount of the fraction <10 mu m. For the five samples that we analyzed, the variances of the Sr-87/Sr-86 ratio under a range of wind velocities were 0.00014, 0.00004, 0.00052, 0.00151, and 0.00012. In addition, although most samples were collected at the same site and were treated in the same way, there were still differences in the Sr-87/Sr-86 ratios, with an intersample variance of up to 0.00409. These observations suggest that although using the Sr-87/Sr-86 ratios of aeolian sediments to reconstruct climate change or as fingerprints for aeolian materials transported from dust source areas remains a valid technique, the effects of the near-surface wind on the Sr-87/Sr-86 ratios in the dust source regions must be carefully considered. (C) 2012 Elsevier B.V. All rights reserved.


英文关键词Strontium isotopes Dust source area Near-surface wind Arid China
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000304639400002
WOS关键词NORTHERN CHINA ; LOESS PLATEAU ; MINERAL DUST ; ICE CORE ; STRONTIUM ISOTOPES ; SR-87/SR-86 RATIOS ; EOLIAN DUST ; PROVENANCE ; ND ; GREENLAND
WOS类目Geochemistry & Geophysics
WOS研究方向Geochemistry & Geophysics
来源机构兰州大学 ; 中国科学院西北生态环境资源研究院
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/171752
作者单位1.Chinese Acad Sci, Key Lab Desert & Desertificat, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China;
2.Lanzhou Univ, CAEP, MOE Key Lab W Chinas Environm Syst, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Wang, Xunming,Lang, Lili,Zhang, Caixia,et al. The influence of near-surface winds on the Sr isotope composition of aeolian sediments: a wind tunnel experiment[J]. 兰州大学, 中国科学院西北生态环境资源研究院,2012,308:10-17.
APA Wang, Xunming,Lang, Lili,Zhang, Caixia,Hua, Ting,&Wang, Hongtao.(2012).The influence of near-surface winds on the Sr isotope composition of aeolian sediments: a wind tunnel experiment.CHEMICAL GEOLOGY,308,10-17.
MLA Wang, Xunming,et al."The influence of near-surface winds on the Sr isotope composition of aeolian sediments: a wind tunnel experiment".CHEMICAL GEOLOGY 308(2012):10-17.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Wang, Xunming]的文章
[Lang, Lili]的文章
[Zhang, Caixia]的文章
百度学术
百度学术中相似的文章
[Wang, Xunming]的文章
[Lang, Lili]的文章
[Zhang, Caixia]的文章
必应学术
必应学术中相似的文章
[Wang, Xunming]的文章
[Lang, Lili]的文章
[Zhang, Caixia]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。